.a{width: 1400px;height:45px;background:whoneydew;border-bottom: 2px solid wheat}
.b{width: 980px;height:45px;margin: auto;}
.c{width:150px;height:45px;float: left;}
.d{width:500px;height:45px;margin: auto;}
.e{width:250px;height:45px;float:right;margin-top:-45px ;}
h1{font-size:15px;float: left;margin-left:18PX;}
h1:hover{border-bottom: 2px solid brown;}
h2{font-size:15px;float:left;margin-left:18PX;color: black;line-height: 20px;}
h2:hover{color:brown;}
h3{font-size:15px;float: left;margin-left: 15px;margin-top: 5px;}
div a{width:90px;height:30px;background:paleturquoise;float: left;border-radius:5px;margin-top: 10px;}
h3:hover{color: white;}
